@Biliyaminu Umar As per AMS specification the "appId" and "metricsNames" are the mandatory attributes. In case of metrics names in some places we can use Wild Cards like following: http://<server>:6188/ws/v1/timeline/metrics?metricNames=regionserver.Server.%&appId=hbase&startTime=1521167109&endTime=1521188709 . In the above case it will show all the "regionServer.Server.%" metrics. More details about wild card can be found here: https://cwiki.apache.org/confluence/display/AMBARI/Metrics+Collector+API+Specification ... View more

ok, i accepted an answer already. Thanks ... View more

Thank you very much @Jay Kumar SenSharma I am able to resolve it now Umar ... View more